100020210110121 has 16 divisors (see below), whose sum is σ = 152424493644800. Its totient is φ = 57149626437648.

The previous prime is 100020210110021. The next prime is 100020210110203. The reversal of 100020210110121 is 121011012020001.

It is not a de Polignac number, because 100020210110121 - 2²³ = 100020201721513 is a prime.

It is a super-2 number, since 2×100020210110121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100020210110097 and 100020210110106.

It is not an unprimeable number, because it can be changed into a prime (100020210110021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198882031 + ... + 199384308.

It is an arithmetic number, because the mean of its divisors is an integer number (9526530852800).

Almost surely, 2^{100020210110121} is an apocalyptic number.

It is an amenable number.

100020210110121 is a deficient number, since it is larger than the sum of its proper divisors (52404283534679).

100020210110121 is a wasteful number, since it uses less digits than its factorization.

100020210110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398278308.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100020210110121 its reverse (121011012020001), we get a palindrome (221031222130122).

The spelling of 100020210110121 in words is "one hundred trillion, twenty billion, two hundred ten million, one hundred ten thousand, one hundred twenty-one".